diff --git a/Core/Source/DTHTMLParser/DTHTMLParser.m b/Core/Source/DTHTMLParser/DTHTMLParser.m
index a0a0b730..e299fa33 100644
--- a/Core/Source/DTHTMLParser/DTHTMLParser.m
+++ b/Core/Source/DTHTMLParser/DTHTMLParser.m
@@ -331,7 +331,7 @@ - (void)abortParsing
 	return _delegate;
 }
 
-- (void)setDelegate:(id <DTHTMLParserDelegate>)delegate;
+- (void)setDelegate:(id <DTHTMLParserDelegate>)delegate
 {
 	_delegate = delegate;
 	
diff --git a/Core/Source/DTVersion.m b/Core/Source/DTVersion.m
index 2927a879..9d63c76b 100644
--- a/Core/Source/DTVersion.m
+++ b/Core/Source/DTVersion.m
@@ -60,7 +60,7 @@ + (DTVersion *)versionWithString:(NSString*)versionString
 	{
 		return nil;
 	}
-	for (int i = 1; i < match.numberOfRanges; i++)
+	for (NSUInteger i = 1; i < match.numberOfRanges; i++)
 	{
 		NSRange range = [match rangeAtIndex:i];
 		if (range.location == NSNotFound)
diff --git a/Core/Source/NSString+DTFormatNumbers.m b/Core/Source/NSString+DTFormatNumbers.m
index 3b7e9096..2ad6775c 100644
--- a/Core/Source/NSString+DTFormatNumbers.m
+++ b/Core/Source/NSString+DTFormatNumbers.m
@@ -15,7 +15,7 @@ + (NSString *)stringByFormattingBytes:(long long)bytes
 	NSArray *units = [NSArray arrayWithObjects:@"%1.0f Bytes", @"%1.1f KB", @"%1.1f MB", @"%1.1f GB", @"%1.1f TB", nil];
 	
 	long long value = bytes * 10;
-	for (int i=0; i<[units count]; i++)
+	for (NSUInteger i=0; i<[units count]; i++)
 	{
 		if (i > 0)
 		{